DE69806645D1 - METHOD AND DEVICE FOR SIMULTANEOUS VOICE ENCODING AND NOISE REDUCTION - Google Patents

METHOD AND DEVICE FOR SIMULTANEOUS VOICE ENCODING AND NOISE REDUCTION

Info

Publication number
DE69806645D1
DE69806645D1 DE69806645T DE69806645T DE69806645D1 DE 69806645 D1 DE69806645 D1 DE 69806645D1 DE 69806645 T DE69806645 T DE 69806645T DE 69806645 T DE69806645 T DE 69806645T DE 69806645 D1 DE69806645 D1 DE 69806645D1
Authority
DE
Germany
Prior art keywords
noise reduction
voice encoding
simultaneous voice
simultaneous
encoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69806645T
Other languages
German (de)
Inventor
S Bloebaum
M Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69806645D1 publication Critical patent/DE69806645D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
DE69806645T 1998-01-07 1998-12-03 METHOD AND DEVICE FOR SIMULTANEOUS VOICE ENCODING AND NOISE REDUCTION Expired - Lifetime DE69806645D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/003,967 US6070137A (en) 1998-01-07 1998-01-07 Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
PCT/US1998/025641 WO1999035638A1 (en) 1998-01-07 1998-12-03 A system and method for encoding voice while suppressing acoustic background noise

Publications (1)

Publication Number Publication Date
DE69806645D1 true DE69806645D1 (en) 2002-08-22

Family

ID=21708449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806645T Expired - Lifetime DE69806645D1 (en) 1998-01-07 1998-12-03 METHOD AND DEVICE FOR SIMULTANEOUS VOICE ENCODING AND NOISE REDUCTION

Country Status (8)

Country Link
US (1) US6070137A (en)
EP (1) EP1046153B1 (en)
CN (1) CN1285945A (en)
AU (1) AU1622699A (en)
BR (1) BR9813246A (en)
DE (1) DE69806645D1 (en)
EE (1) EE04070B1 (en)
WO (1) WO1999035638A1 (en)

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Also Published As

Publication number Publication date
EP1046153B1 (en) 2002-07-17
EE200000414A (en) 2001-12-17
EE04070B1 (en) 2003-06-16
CN1285945A (en) 2001-02-28
WO1999035638A1 (en) 1999-07-15
EP1046153A1 (en) 2000-10-25
AU1622699A (en) 1999-07-26
BR9813246A (en) 2000-10-03
US6070137A (en) 2000-05-30

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